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Abstract The current work finds that addition of ZnO nanoparticles to Mg-Y alloy led to the reduction of ZnO leading to in-situ evolution of nano-scale Mg-Zn rich s 1 ′… Click to show full abstract
Abstract The current work finds that addition of ZnO nanoparticles to Mg-Y alloy led to the reduction of ZnO leading to in-situ evolution of nano-scale Mg-Zn rich s 1 ′ phase and formation of yttria nano particles from Y in the matrix, as characterized by transmission electron microscopy and differential scanning calorimetry. Grain refinement and evolution of the s 1 ′ phase (strengthening phase) led to a significant improvement in the yield strength of the Mg-1.8Y/1.53ZnO nanocomposite as compared to the monolithic Mg-1.8Y alloy. This approach, as against the conventional approach, can be used for the in-situ fabrication of magnesium matrix nanocomposites with superior properties.
Journal Title: Scripta Materialia
Year Published: 2017
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